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ipse lute
Asked: 2016-06-09 02:06:48 +0800 CST

Why i can't login in Xubuntu 16.04? [duplicate]

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I have used Xubuntu 16.04 fine for months. Today i updated some snapd package, then i restarted the system as required. And now it just won't let me log in. It replies invalid password. I tried to switch to lxde, then a tried to log in to another user account (including root) to no avail.

Then i pressed Ctrl + Alt + F1 to enter the CLI environment. Tried to log on (as regular user, then as root) and i keep getting the same message:

System is booting up. See pam_nologin(8).

I found out that pam_nologin means Prevent non-root users to login. And yet i can't log in as root! What can i do? Should i reset root password from a Live Ubuntu?

P.S. I'm so upset i'm not even looking for my Live Ubuntu and i'm writing this from Windows :( .

xubuntu

1 Answers

  1. Best Answer

    Error on manipulating the authentication token.

    Becuase filesystem mounted as readonly , you have to remount it with write permission. 

    mount -o remount,rw /

    Try this. And always google if something you are not getting.

    Hope it helps.

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